but jiahani tells us he just wants to see his besieged city finally free. the latest reports we're hearing is that there is fierce fighting going on in ajdabiya at the moment. the front line has been very fluid, moving several miles in a day. katie? >> couric: and, mandy, what's going on right now where you are in benghazi? >> well, the main concern here is pockets of rogue elements loyal to qaddafi that are doing hit-and-run attacks so rebels here have been beefing up security, adding more checkpoints in key locations. >> couric: mandy clark, as always, mandy, thank you so much. meanwhile, house speaker john boehner called on president obama today to make clear exactly what the mission in libya is and how it will be accomplished. david martin reports the president and the military tried to do just that. >> reporter: now in its third day, operation odyssey dawn gathered steam as aircraft from more and more countries joined american jets in enforcing a no- fly zone over libya. their mission is limited to stopping qaddafi from attacking his own people, but th